Merge branch 'integration_2023_wk06' into 'develop'

integration_2023_wk06

See merge request oai/openairinterface5g!1943

!1855 Cleanup of external dependencies install script
!1876 NR refactor PHY vector sizes for multi UE
!1933 bugfix: try to handle USRP devices correctly to avoid crashes
!1937 CI: clean unused files, drop old cluster images
!1629 E1 procedure
!1738 Replace Nettle with OpenSSL
!1896 Remove CSET0 rom configuration if not in configuration file